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#!/bin/sh -eu
#
# usage: gen_pnpids.sh < pnp.ids > pnpids.c
gen_pnps()
{
while read -r id vendor; do
[ "${#id}" = 3 ] || exit 1
printf "\tcase PNP_ID('%c', '%c', '%c'): return \"%s\";\n" \
"$id" "${id#?}" "${id#??}" "$vendor"
done
}
cat << EOF
#include "backend/drm/util.h"
#define PNP_ID(a, b, c) ((a & 0x1f) << 10) | ((b & 0x1f) << 5) | (c & 0x1f)
const char *get_pnp_manufacturer(const char code[static 3]) {
switch (PNP_ID(code[0], code[1], code[2])) {
$(gen_pnps)
}
return NULL;
}
#undef PNP_ID
EOF
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